CN103075452A - Guide spring assembly for air suspension - Google Patents
Guide spring assembly for air suspension Download PDFInfo
- Publication number
- CN103075452A CN103075452A CN2013100297780A CN201310029778A CN103075452A CN 103075452 A CN103075452 A CN 103075452A CN 2013100297780 A CN2013100297780 A CN 2013100297780A CN 201310029778 A CN201310029778 A CN 201310029778A CN 103075452 A CN103075452 A CN 103075452A
- Authority
- CN
- China
- Prior art keywords
- carrying tablet
- guiding
- guiding piece
- grasswort
- spring assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/121—Mounting of leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/126—Mounting of pneumatic springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/44—Centering or positioning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/017—Constructional features of suspension elements, e.g. arms, dampers, springs forming an eye for the bushing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a guide spring assembly for an air suspension. The guide spring assembly comprises a guide sheet, a carrier sheet, a bush and a friction reduction sheet, wherein the guide sheet is arranged above the carrier sheet; the friction reduction sheet is arranged between the guide sheet and the carrier sheet; and the friction reduction sheet, the guide sheet and the carrier sheet are fixedly connected. The camber of the guide spring is negative camber; the front ends of the guide sheet and the carrier sheet have an isostress variable-section structure; and an inner ring and an outer ring of the bush are provided with grooves, and the vulcanization strength is greatly improved to meet the transverse load of the guide spring. The invention provides a guide spring assembly which has high guide performance and can conveniently and systematically debug a combined air suspension.
Description
Technical field
Patent of the present invention belongs to the automobile component field, particularly relates to a kind of air suspension guiding spring assembly.
Technical background
At present the heavy-duty commercial vehicle air suspension is general adopts two kinds of forms: full airbag structure and composite structure, wherein the Combined air suspension frame structure is because its cost is low, easy to maintenance etc. more and more extensive in the application of heavy-duty commercial vehicle.The guiding spring is the main guiding of Combined air suspension and load-carrying unit, has important effect in airsuspension system.The structure of guiding spring has important impact to the performance of whole Combined air suspension.General guiding spring adopts positive camber structure, the guiding spring guiding poor stability of this structure, and because the existence of camber error is larger on the four-wheel location impact of vehicle, suspension is debug comparatively difficulty.
Summary of the invention
The purpose of this invention is to provide a kind of air suspension with guiding spring assembly technological scheme, realize guiding spring assembly guiding good stability by the technical program, insensitive to the error of camber, debuging of suspension system is comparatively easy.
The present invention is achieved by the following technical solutions:
A kind of air suspension includes guiding piece, carrying tablet, lining and anti-attrition sheet with guiding spring assembly; Guiding piece is arranged at the carrying tablet top, is provided with the anti-attrition sheet in the centre of guiding piece and carrying tablet, and the three is fixedly linked; An end of described guiding piece is provided with the guiding piece grasswort, and an end of carrying tablet is provided with the carrying tablet grasswort, and the grasswort of guiding piece is arranged in the grasswort of carrying tablet, and it is inner that lining is installed on the guiding piece grasswort; The guiding piece grasswort is with the central point of carrying tablet grasswort, with this central point with an end upper surface line relative with the carrying tablet grasswort in the carrying tablet and guiding spring assembly bolt intersection point line, this line is with forming angle with relative with a carrying tablet grasswort end upper surface line in the carrying tablet, and this angle is arranged in by take a carrying tablet end upper surface line relative with the carrying tablet grasswort as horizontal axis with on the 2nd quadrant or the 3rd quadrant or horizontal axis of the system of coordinates that forms take guiding spring bolt as vertical shaft; Described guiding piece and carrying tablet oppositely are provided with arc-shaped bend with the grasswort curl direction, wherein near the radius of curvature of guiding piece ear-rolling end less than the radius of curvature away from the guiding piece ear-rolling end.
The radius of curvature of carrying tablet is less than the radius of curvature of guiding piece away from the guiding piece ear-rolling end.
The radius of curvature of described carrying tablet is greater than the radius of curvature near the guiding piece ear-rolling end, and both radius of curvature are tending towards equal at place, approaching guiding spring assembly intermediate portion.
Described guiding piece and carrying tablet all adopt the iso-stress variable section structure.
Described lining is with being interference fit between the guiding piece grasswort.
Described carrying tablet away from the carrying tablet ear-rolling end be upper surface with the parallel rectangular configuration of lower surface, the thickness of described rectangular configuration is less than the thickness of carrying tablet other parts.
The width of described rectangular configuration is less than the width of carrying tablet other parts.
The beneficial effect that the present invention compares with prior art is:
Realize guiding spring assembly guiding good stability by the technical program, insensitive to the error of camber, debuging of suspension system is comparatively easy.
Description of drawings
Fig. 1 is the front view that air suspension of the present invention is used guiding spring assembly;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structural drawing of lining 3.
Embodiment
Describe by the following examples technological scheme of the present invention in detail, should be understood that, following embodiment only can be used for explaining and technical solution of the present invention is described and can not be interpreted as is restriction to technical solution of the present invention.
Fig. 1 is the front view of guiding spring assembly of the present invention, and this guiding spring assembly comprises guiding piece 1, carrying tablet 2 and lining 3 and anti-attrition sheet 4,5,6 and the formation such as guiding spring assembly bolt 12.
An end of guiding piece 1 is provided with guiding piece grasswort 10, an end of carrying tablet 2 is provided with carrying tablet grasswort 11, guiding piece grasswort 10 is arranged in the carrying tablet grasswort 11, lining 3 is installed on guiding piece grasswort 10 inside, guiding spring assembly bolt 12 spring that will lead is divided into forward part A, rear section B, such as Fig. 1, the ratio A/B of anterior length A and rear portion length B can determine the to lead carrying ratio of spring assembly and pneumatic spring; Guiding piece grasswort 10 has a central point with carrying tablet grasswort 11, an end 13 upper surface lines and guiding spring assembly bolt 12 intersection points relative with carrying tablet grasswort 11 in the carrying tablet 2, the line that connects central point and intersection point, this line is with forming angle a with an end 13 upper surface lines relative with carrying tablet grasswort 11 in the carrying tablet 2, and this angle a is arranged in by take a relative end 13 upper surface lines of carrying tablet 2 and carrying tablet grasswort 11 as horizontal axis with on the 2nd quadrant or the 3rd quadrant or horizontal axis of the system of coordinates that forms take guiding spring bolt 12 as vertical shaft; Guiding piece 1 oppositely is provided with arc-shaped bend with guiding piece grasswort 10 curl directions, and carrying tablet 2 oppositely is provided with arc-shaped bend with carrying tablet grasswort 11 curl directions; Wherein the radius of curvature 7 of guiding piece 1 close guiding piece grasswort 10 ends is less than the radius of curvature 8 away from guiding piece grasswort 10 ends.The radius of curvature 9 of carrying tablet 2 is less than the radius of curvature 8 of guiding piece 1 away from the guiding piece ear-rolling end.
Namely the lead part of spring bolt about 12 of the intermediate portion of carrying tablet 2 and guiding piece 1 and guiding piece grasswort 10 relative ends is flat construction; The radius of curvature 9 of carrying tablet 2 close carrying tablet grasswort 11 ends is greater than the radius of curvature 7 of guiding piece 1 near guiding piece grasswort 10 ends, both radius of curvature are tending towards equal at place, approaching guiding spring assembly intermediate portion, and the intermediate portion generally refers to lead near the spring assembly bolt 12.Such structure is being formed with a space after guiding piece 1 and carrying tablet 2 installations between carrying tablet and guiding piece grasswort and guiding spring bolt.
The grasswort height of this guiding spring assembly front end guiding piece 1 is lower than attachment face on the guiding spring assembly, namely adopts the high form of negative arc, and it is qualitative that this structure has improved the guiding steady of this guiding spring, and has reduced the back axle four-wheel deviations that causes owing to the spring camber error that leads.
Guiding piece 1 all adopts the iso-stress variable section structure with carrying tablet 2 front ends, can effectively lower the weight of guiding spring.Guiding piece 1 front end grasswort adopts flat grasswort structure, and this structure can reduce the stress of guiding piece grasswort root effectively.
In the middle of guiding piece 1 and the carrying tablet 2 and two sides is separately installed with anti-attrition sheet 4,5,6, reduces the area of contact of guiding piece 1 and carrying tablet 2, to reduce both frictions, can reduce noise and the dynamic stiffness of guiding spring assembly.
Lining 3 is installed on the grasswort place of guiding piece 1, and lining and grasswort adopt interference fit.Such as Fig. 2, require lining inner ring length greater than guiding piece front end grasswort width.
Carrying tablet 2 rear ends adopt forging and pressing to reduce gradually thickness, the end is straight for the assembling of pneumatic spring, the side cut structure is adopted in both sides, reduce carrying tablet 2 rear end width, carrying tablet away from the carrying tablet ear-rolling end be upper surface with the parallel rectangular configuration of lower surface, the thickness of rectangular configuration is less than the thickness of carrying tablet other parts; The width of rectangular configuration is less than the width of carrying tablet other parts.
Fig. 3 is the structural representation of lining 3, is formed by natural rubber, inner ring, outer ring sulfuration.Wherein inner ring 31 outsides, 32 inboards, outer ring all have groove 33, to strengthen sulfurating strength.Outer ring length is identical with guiding piece 1 grasswort width, and inner ring 31 length are greater than outer ring 32 length.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present invention is by claims and be equal to and limit.
Claims (8)
1. an air suspension is characterized in that: include guiding piece, carrying tablet, lining and anti-attrition sheet with guiding spring assembly; Guiding piece is arranged at the carrying tablet top, is provided with the anti-attrition sheet in the centre of guiding piece and carrying tablet, and the three is fixedly linked; An end of described guiding piece is provided with the guiding piece grasswort, and an end of carrying tablet is provided with the carrying tablet grasswort, and the grasswort of guiding piece is arranged in the grasswort of carrying tablet, and it is inner that lining is installed on the guiding piece grasswort; The guiding piece grasswort is with the central point of carrying tablet grasswort, with this central point with an end upper surface line relative with the carrying tablet grasswort in the carrying tablet and guiding spring assembly bolt intersection point line, this line is with forming angle with relative with a carrying tablet grasswort end upper surface line in the carrying tablet, and this angle is arranged in by take a carrying tablet end upper surface line relative with the carrying tablet grasswort as horizontal axis with on the 2nd quadrant or the 3rd quadrant or horizontal axis of the system of coordinates that forms take guiding spring bolt as vertical shaft; Described guiding piece and carrying tablet oppositely are provided with arc-shaped bend with the grasswort curl direction, wherein near the radius of curvature of guiding piece ear-rolling end less than the radius of curvature away from the guiding piece ear-rolling end.
2. air suspension according to claim 1 is with guiding spring assembly, and it is characterized in that: the radius of curvature of carrying tablet is less than the radius of curvature of guiding piece away from the guiding piece ear-rolling end.
3. air suspension according to claim 2 is characterized in that with guiding spring assembly: the radius of curvature of described carrying tablet is greater than the radius of curvature near the guiding piece ear-rolling end, and both radius of curvature are tending towards equal approaching place, guiding spring assembly intermediate portion.
4. air suspension according to claim 1 is with guiding spring assembly, and it is characterized in that: described guiding piece and carrying tablet all adopt the iso-stress variable section structure.
5. air suspension according to claim 1 is with guiding spring assembly, and it is characterized in that: described lining is with being interference fit between the guiding piece grasswort.
6. according to claim 1,2,3,4 described air suspensions guiding spring assembly, it is characterized in that: described carrying tablet away from the carrying tablet ear-rolling end be upper surface with the parallel rectangular configuration of lower surface, the thickness of described rectangular configuration is less than the thickness of carrying tablet other parts.
7. air suspension according to claim 6 is with guiding spring assembly, and it is characterized in that: the width of described rectangular configuration is less than the width of carrying tablet other parts.
8. air suspension according to claim 3 is characterized in that: be formed with a space after guiding piece and carrying tablet are installed between carrying tablet and guiding piece grasswort and guiding spring bolt with guiding spring assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029778.0A CN103075452B (en) | 2013-01-25 | 2013-01-25 | A kind of air suspension guiding spring assembly |
| BR112015016013A BR112015016013A2 (en) | 2013-01-25 | 2013-09-06 | guide spring assembly for air suspension |
| PCT/CN2013/083042 WO2014114087A1 (en) | 2013-01-25 | 2013-09-06 | Guide spring assembly for air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029778.0A CN103075452B (en) | 2013-01-25 | 2013-01-25 | A kind of air suspension guiding spring assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075452A true CN103075452A (en) | 2013-05-01 |
| CN103075452B CN103075452B (en) | 2015-12-02 |
Family
ID=48152097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310029778.0A Active CN103075452B (en) | 2013-01-25 | 2013-01-25 | A kind of air suspension guiding spring assembly |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103075452B (en) |
| BR (1) | BR112015016013A2 (en) |
| WO (1) | WO2014114087A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114087A1 (en) * | 2013-01-25 | 2014-07-31 | 安徽江淮汽车股份有限公司 | Guide spring assembly for air suspension |
| CN106394151A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Composite air spring suspension device |
| CN113459748A (en) * | 2021-05-10 | 2021-10-01 | 东风汽车底盘系统有限公司 | Two formula guide arms |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972434A (en) * | 2017-12-06 | 2018-05-01 | 东风商用车有限公司 | Combined type air suspension guide arm assembly with protection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB147857A (en) * | 1914-11-17 | 1921-10-10 | Victor Lee Emerson | Improvements in spring suspension mechanism for automobiles |
| US4456232A (en) * | 1982-07-07 | 1984-06-26 | Nhk Spring Co., Ltd. | Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly |
| GB2157393A (en) * | 1984-04-11 | 1985-10-23 | British Steel Corp | Improvements in and relating to leaf spring assemblies |
| CN1207991A (en) * | 1997-08-08 | 1999-02-17 | 日野汽车工业株式会社 | Spring installation structure for air suspension of vehicle |
| US6811169B2 (en) * | 2001-04-23 | 2004-11-02 | Daimlerchrysler Corporation | Composite spring design that also performs the lower control arm function for a conventional or active suspension system |
| DE202005004964U1 (en) * | 2005-03-30 | 2005-06-30 | Otto Sauer Achsenfabrik Gmbh | Suspension mounting for a pneumatically sprung vehicle axle has a permanent elastic protective layer over the front part of an elastic guide leaf spring extending between the chassis mounting and the axle body |
| US20060103103A1 (en) * | 2004-11-12 | 2006-05-18 | Land Jonathan L | Lightweight, low part-count, suspension system for wheeled vehicles |
| CN201236911Y (en) * | 2008-08-07 | 2009-05-13 | 青岛帅潮实业有限公司 | Bending band spring with variable cross-section |
| CN201836274U (en) * | 2010-09-17 | 2011-05-18 | 中国重汽集团济南动力有限公司 | Leaf spring for heavy-duty car |
| US20110127753A1 (en) * | 2009-11-04 | 2011-06-02 | Jack Griffin | Leaf spring assembly and tandem suspension system |
| CN204322973U (en) * | 2013-01-25 | 2015-05-13 | 安徽江淮汽车股份有限公司 | A kind of air suspension guiding spring assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19619189A1 (en) * | 1996-05-11 | 1997-11-13 | Man Nutzfahrzeuge Ag | Independent wheel suspension for an air-sprung, steerable wheel of a bus or truck |
| CN2721433Y (en) * | 2004-05-13 | 2005-08-31 | 安徽江淮汽车股份有限公司 | Air suspending system of bus |
| CN201261372Y (en) * | 2008-06-27 | 2009-06-24 | 精功镇江汽车制造有限公司 | Slide board type plate spring of commercial vehicle and guide spring apparatus |
| CN202156253U (en) * | 2011-06-07 | 2012-03-07 | 佛山市永力泰车轴有限公司 | Guide arm applied to automobile air suspension system |
| CN103075452B (en) * | 2013-01-25 | 2015-12-02 | 安徽江淮汽车股份有限公司 | A kind of air suspension guiding spring assembly |
-
2013
- 2013-01-25 CN CN201310029778.0A patent/CN103075452B/en active Active
- 2013-09-06 BR BR112015016013A patent/BR112015016013A2/en not_active Application Discontinuation
- 2013-09-06 WO PCT/CN2013/083042 patent/WO2014114087A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB147857A (en) * | 1914-11-17 | 1921-10-10 | Victor Lee Emerson | Improvements in spring suspension mechanism for automobiles |
| US4456232A (en) * | 1982-07-07 | 1984-06-26 | Nhk Spring Co., Ltd. | Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly |
| GB2157393A (en) * | 1984-04-11 | 1985-10-23 | British Steel Corp | Improvements in and relating to leaf spring assemblies |
| CN1207991A (en) * | 1997-08-08 | 1999-02-17 | 日野汽车工业株式会社 | Spring installation structure for air suspension of vehicle |
| US6811169B2 (en) * | 2001-04-23 | 2004-11-02 | Daimlerchrysler Corporation | Composite spring design that also performs the lower control arm function for a conventional or active suspension system |
| US20060103103A1 (en) * | 2004-11-12 | 2006-05-18 | Land Jonathan L | Lightweight, low part-count, suspension system for wheeled vehicles |
| DE202005004964U1 (en) * | 2005-03-30 | 2005-06-30 | Otto Sauer Achsenfabrik Gmbh | Suspension mounting for a pneumatically sprung vehicle axle has a permanent elastic protective layer over the front part of an elastic guide leaf spring extending between the chassis mounting and the axle body |
| CN201236911Y (en) * | 2008-08-07 | 2009-05-13 | 青岛帅潮实业有限公司 | Bending band spring with variable cross-section |
| US20110127753A1 (en) * | 2009-11-04 | 2011-06-02 | Jack Griffin | Leaf spring assembly and tandem suspension system |
| CN201836274U (en) * | 2010-09-17 | 2011-05-18 | 中国重汽集团济南动力有限公司 | Leaf spring for heavy-duty car |
| CN204322973U (en) * | 2013-01-25 | 2015-05-13 | 安徽江淮汽车股份有限公司 | A kind of air suspension guiding spring assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114087A1 (en) * | 2013-01-25 | 2014-07-31 | 安徽江淮汽车股份有限公司 | Guide spring assembly for air suspension |
| CN106394151A (en) * | 2016-09-23 | 2017-02-15 | 奇瑞汽车股份有限公司 | Composite air spring suspension device |
| CN106394151B (en) * | 2016-09-23 | 2019-01-01 | 奇瑞汽车股份有限公司 | A kind of combined air gas spring suspension device |
| CN113459748A (en) * | 2021-05-10 | 2021-10-01 | 东风汽车底盘系统有限公司 | Two formula guide arms |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103075452B (en) | 2015-12-02 |
| WO2014114087A1 (en) | 2014-07-31 |
| BR112015016013A2 (en) | 2017-07-11 |
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| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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